7. (1) Without prejudice to the provisions of sections 4, 5 and 6, the Authority may by General Order prescribe the circumstances in which and the conditions under which undue concentration of economic power or unreasonable monopoly power shall be deemed to exist and the practices which shall be deemed to be unreasonably restrictive trade practices. (2) Where the Authority is of opinion that the making of a General Order under sub-section (1) may be in the public interest, it shall conduct an inquiry affording the persons or undertakings likely to be affected by such Order such opportunity of being heard and of placing before it relevant facts and material as it may deem fit. (3) Before making any General Order under sub-section (1), the Authority shall- (a) publish in the official Gazette and in such other manner as in its opinion will bring it to the notice of all persons and undertakings likely to be affected thereby a draft of the proposed General Order together with a notice inviting suggestions or objections to be submitted before a date specified therein; (b) consider any objection or suggestion which may be received by it from any person or undertaking with respect to the draft; and (c) where it deems appropriate, afford an opportunity to any such person or undertaking of being heard and of placing before it facts and material in support of the objection or suggestion.